NVIDIA Tesla K20c vs NVIDIA GeForce RTX 3080 Mobile 16 GB

GPU Specs Compare

Graphics Card

Release Date
Nov 2012
Jan 2021
Generation
Tesla
GeForce 30 Mobile
Type
Professional
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16

Clock Speeds

Memory Clock
1300 MHz
1750 MHz
Base Clock
-
1110 MHz
Boost Clock
-
1545 MHz

Memory

Memory Size
5GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
448.0GB/s

Render Config

Shading Units
2496
6144
TMUs
208
192
ROPs
40
96
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1280 KB
4 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48

Theoretical Performance

Pixel Rate
36.71 GPixel/s
148.3 GPixel/s
Texture Rate
146.8 GTexel/s
296.6 GTexel/s
FP32 (float)
3.524 TFLOPS
18.98 TFLOPS
FP64 (double)
1175 GFLOPS
296.6 GFLOPS
FP16 (half)
-
18.98 TFLOPS

Graphics Processor

GPU Name
GK110
GA104
GPU Variant
GK110-885-KA-A1
GA104-775-A1
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
7.08 billion
17.4 billion
Die Size
561 mm²
392 mm²

Board Design

TDP
225W
115W
Suggested PSU
550 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None

Graphics Features

DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.6
Shader Model
5.1
6.8

📊 Benchmark

OctaneBench
55
-